HoldYourWaffle

def getCurrentGitBranch() {
	def gitBranch = "Unknown branch"
	def workingDir = new File("${project.projectDir}")
	def result = 'git rev-parse --abbrev-ref HEAD'.execute(null, workingDir)
	result.waitFor()
	if (result.exitValue() == 0) gitBranch = result.text.trim()
	return gitBranch
}

HoldYourWaffle

#!/bin/bash
git clone $1 --depth=1

# cd into the repo directory
a=$1
b="${a##*/}"; 
cd "${b%.*}"

for i in {1..100000..10}; do git fetch --depth=$i; done
git fetch --unshallow